Carex torreyi Tuck.

Torrey's sedge (en)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Culms 15–50 cm, pilose. Leaves: sheaths pilose; ligules longer than wide; blades 1.5–3 mm wide, pilose. Inflorescences: lateral spikes approximate or proximal distant, 6–12 × 4–7 mm; terminal spike staminate or, rarely, gynecandrous with not more than 1/4 flowers pistillate, 8–16 × 2–4 mm. Pistillate scales ovate-circular, 2–3 × 1.6–2.5 mm, not more than 1.5 times as long as wide, shorter than perigynia, apex obtuse to acuminate. Staminate scales ovate, 3.2–4.1 mm, apex acute or acuminate. Anthers 1.9–2.4 mm. Perigynia ascending, strongly 18–24-veined, ovate or obovate, 2.2–3.2 × 1.5–2.2 mm, glabrous; beak 0.2–0.5(–1) mm. Achenes 2–2.5 × 1.5–1.9 mm.
More
Much like no. 158 [Carex pallescens L.]; pistillate spikes 5–12 mm; pistillate scales subrotund, much shorter than the perigynia, minutely cuspidate, conspicuously hyaline-margined; perigynia obovoid, 2.5–3.5 mm, narrowed to the base, the body conspicuously 15–25-nerved, rounded to a cylindric beak 0.2–0.5 mm; 2n=58. Thickets and moist meadows, mainly on the n. Great Plains; Wis. and Minn. to Alta., Mont., and Colo.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Carex torreyi unspecified picture

Distribution

Carex torreyi world distribution map, present in Canada, Colombia, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:302670-1
WFO ID wfo-0000352042
COL ID 5XCFD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Carex abbreviata Carex torreyi